Melotic division of the secondary oocyte is completed

  • [NEET 2020]
  • A

    At the time of fusion of a sperm with an ovum

  • B

    Prior to ovulation

  • C

    At the time of copulation

  • D

    After zygote formation

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Which one of the following statements is false in respect of viability of mammalian sperm?

  • [AIPMT 2012]

In mammals growing oocytes are surrounded by special nutritive cells called

Which of the following cells during gametogenesis is normally diploid ?

  • [NEET 2015]

When male ejaculates sperms during coitus of which for normal fertility at least....... percent sperms must have normal shape and size and at least ...........per cent of them must show vigorous motility

Movement of sperm is done by